Pump



2mm 79 im@ LAWN f Ummm PUMP Filed April 2o, 1935 INVENTOR. WMM Mmmm M wzw! 1 ATTORNEY.

Patented Apr. 7, 1936 UNITED STATES huida@ PATENT 3 Claims.

One of the prime objects of the invention is to design a pump having an oscillating blade which alternately acts to form a suction and a pressure as it is oscillated.

Another object is to design a very economical, practical, and substantial force pump which can be utilized for all kinds of pumping operations, which is efficient in operation, and which is easy to manufacture and assemble.

A further object of the invention is to design a pump in which all moving parts are readily removable and accessible for inspection and/or repair, which is composed of few parts, al1 of sturdy and substantial construction.

With the above and other objects in view, the

present invention consists in the combination and arrangement of parts, hereinafter more fully described, illustrated in the accompanying drawing, and particularly pointed out in the appended claims, it being understood that changes may be made in the form, size, proportion, and minor details of construction, without departing from the spirit or sacrificing any of the advantages of the invention.

In the drawing- Fig. 1 is a side elevation of my improved pump.

Fig. 2 is a top plan view.

Fig. 3 is also a plan with the cover removed to show the valve and blade arrangement.

Fig. 4 is a transverse sectional view taken on the line 4 4 of Fig. 3.

Fig. 5 is an enlarged fragmentary view illustrating one of the discharge ap valves, the broken lines showing it in open position.

Referring now more particularly to the drawing in which I have shown the preferred embodiment of my invention, the numeral III indicates the pump housing, preferably formed in sections, which sections are secured together by means of bolts in the usual manner, the section II forming the intake chamber and being provided with a centrally disposed orifice I2 for connection to the source of liquid supply to be pumped; this section is flanged as shown at I3, and the section I 4 is mounted thereon, extending longitudinally and being slightly wedge-shaped as shown, said section being formed with a similar ange I5, and a at plate It is interposed between the housing sections II and III. Opposed intake ports or openings I'I and I Ii respectively are provided in the plate I6, the side walls being inclined and forming an inclined seat for flap valves I9 and 20 respectively, which normally form a closure for said ports, said flap valves being hingedly secured in position, and springs ZI are provided (Cl. 10S- 145) to normally hold the valves down and keep the ports closed.

Ribs 22 are provided on the member It directly adjacent the end wall of the housing and form a track or way in which a gate 23 is mount- 5 ed to oscillate, a rib 2li being cast integral with the gate, and connecting rods 25 are secured thereto, said rods `extending through the side wall of the case to any suitable engine or other driving means.

A blade member 26 is mounted in the section I 4 and is provided with rounded ends 2l as shown, one end being fitted in the socket 28 provided on the gate 23, the opposite end being seated in a similar socket 29 provided in the end 15 wall of the section It, these connections providing sufficient play so that the blade can be freely actuated without binding or twisting.

A discharge chamber 3@ is mounted on the blade chamber III, and a flat plate 3! is interposed 20 between the discharge chamber and the blade chamber, said member being provided with flanges so that the sections may be bolted together, suitable gaskets (not shown) being provided for preventing leakage, etc. 25

Discharge ports or openings 32 and 83 respectively are provided in the plate SI the side walls being inclined similar to the intake ports in the blade chamber, and flap valves 3ft and 35 control said ports, a discharge opening 36 being formed in the discharge chamber to permit the escape of the liquid as it is pumped.

In operation the intake opening I2 is connected to a suitable source of liquid supply. The gate 23 is oscillated and as the gate travels in the one 35 direction, it creates a suction which forces the flap valve I9 to open so that liquid is drawn through the intake port Il and into the chamber I4; on the return stroke the intake port I8 is opened, drawing liquid into the chamber III behind the blade and forcing the flap valve 3Q open so that liquid is forced through the discharge port 32 and out of the discharge opening 3ft. It will be obvious that when one of the intake ports opens to draw liquid into the chamber III that the opposite discharge port also opens to permit discharge of the liquid ahead of the blade.

It will, of course, be understood that the capacity can be increased by adding an additional 50 blade and blade chamber, and the added blade would then engage the opposite side of the oscillating gate.

The action of the pump is smooth and uniform, it has large capacity, and is very economical to manufacture and operate.

What I claim is:

1, In a force pump of the character described and including an intake chamber, a wedgeshaped blade chamber mounted thereon, opposed ports in the blade chamber and establishing communication with the intake chamber, spring retracted valves controlling said po-rts, an outlet chamber on the blade chamber and provided with ports communicating with the blade chamber, spring retracted valves controlling said outlet ports, a gate mounted to oscillate in the blade chamber, a blade secured thereto and loosely and pivotally secured to one end of the blade chamber, and adapted to alternately produce a suction and a pressure for drawing liquid into the blade chamber on one side of the blade while expelling liquid into the discharge chamber on the opposite side of the blade when said gate and blade is oscillated.

2. In a force pump of the character described and comprising an intake chamber, a blade chamber mounted thereon and provided with opposed valve controlled ports, a discharge chamber mounted on the blade chamber, opposed valve controlled ports establishing communication between said blade chamber and discharge chamber, a gate mounted to oscillate in said chamber, a blade mounted in said blade chamber, one end being pivotally connected to said gate, the opposite end being pivotally and loosely connected to the end Wall of the blade chamber for alternately creating a suction on one side of the blade while producing a pressure on the opposite side of the blade as it is actuated, thereby drawing liquid through one of the intake ports while discharging through the opposite discharge port.

3. In a force pump 0f the character described, the combination with an intake chamber, a blade chamber mounted thereon, intake ports establishing communication between said intake and blade chamber, spring retracted iiap valves forming a closure for said ports, a discharge chamber mounted on the blade chamber, discharge ports establishing communication between the blade chamber and discharge chamber, spring retracted ap valves controlling said discharge ports, a transversely movable gate mounted in one end of said blade chamber, a blade connected to said gate, with its opposite end pivotally and loosely mounted in the end wall of the blade chamber, whereby movement of the blade in one direction draws liquid in said chamber through one of said intake ports, while discharging liquid through the opposite discharge ports.

IRVIN LARKIN. 

